<!-- 组件说明 -->
<template>
  <div class='report'>
    <!-- 面包屑导航区域 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>数据统计</el-breadcrumb-item>
      <el-breadcrumb-item>数据报表</el-breadcrumb-item>
    </el-breadcrumb> 
    <!-- 卡片视图区域 -->
    <el-card class="box-card">
      <!-- 2.为echarts 准备一个具备大小的dom -->
      <div id="main" style="width: 750px;height:400px">

      </div>
    </el-card>
  </div>
</template>

<script>
  import echarts from 'echarts'
  // let echarts = require('echarts');
  import _ from 'lodash'
  export default {
    components: {

    },
    data () {
      return {
        // 需要合并的数据
        options: {
          title: {
            text: '用户来源'
          },
          tooltip: {
            trigger: 'axis',
            axisPointer: {
              type: 'cross',
              label: {
                backgroundColor: '#E9EEF3'
              }
            }
          },
          grid: {
            left: '3%',
            right: '4%',
            bottom: '3%',
            containLabel: true
          },
          xAxis: [
            {
              boundaryGap: false
            }
          ],
          yAxis: [
            {
              type: 'value'
            }
          ]
        }
      };
    },
    computed: {

    },
    // 此时页面上的元素已经被渲染完毕
    async mounted() {
      //3.基于准备好的dom，初始化echarts实例
      var myChart = echarts.init(document.getElementById('main'))
      //4.准备数据和配置项
      const{data:res} = await this.$http.get("reports/type/1")
      if(res.meta.status !== 200){
        return this.$message.error(res.meta.msg)
      }else{
        const result = _.merge(res.data,this.options);
        console.log('result',result);
        //5.展示数据
        myChart.setOption(result)
      }
      
    },
    methods: {

    },
  }
</script>

<style lang='less' scoped>
//@import url()

</style>